WeatherSeattle
US

Seattle

6 live events
Highest temperature in Seattle on September 6? $26.4K vol · resolves 23:59 local · source: KSEAPolymarket|Resolution source
SETTLED · 72-73°F @ 100¢22:27 LOCAL · 2026-09-06
CONDITIONS · METAR + ECMWF · UPDATED 22:00
SSW 3.6 m/s
WIND
58% RH
DEW POINT 9°
SUN DOWN
SET 19:39
DRY
PRECIP 1% TODAY
3-YEAR CLIMATE · SEPTEMBER · 90DTODAY WITHIN NORMAL BAND
P10 62°MEAN 71° · TODAY 73.4°P90 78°
LAST OBS 96 MIN AGOAUTO-REFRESH 30S
Today: hourly observations vs ensemble
KSEA resolution station · METAR DUE NOW · next ENS pull ~03:40 · all temps °F
73°
RUNNING MAX · SINCE 16:53
55°
MIN · 06:53
566064687272-73° · 100¢74-75° · 0¢RESOLVES 23:59 LOCALp90p10YDA MAX 70°DAY MAX 73° · 16:53NOW 22:27000306091215182124
Station obsForecast p50ECMWF p10-90 · 51 membersYesterday (final 70°)Running day maxΔ VS YESTERDAY · +1.8°AT 22:00
Bucket scale: model vs marketPROCLOB 22:27 · ECMWF ensemble · edge ≥ 15 pts
After settlement the ladder retires: no EDGE / WATCH noise, one quiet check on the winning bucket.EDGE = model − market (+ model sees more · − market rich) · highlight ≥ 15 pts
Station map1 sensors · refresh 10m
Resolution station: KSEA
Nearby sensors: PWS network
~2 KM
Live sensors: MapLibre GL · OpenFreeMap dark tiles ship next iteration
Next days: ensemble spread & early markets2 live events · early edge where spread is wide
Model track record · SeattleScored daily · morning run vs resolution extract · since 2026-07-27
32%
LEADER HIT RATE · 41D
13 of 41 days
0.93
BRIER SCORE · MODEL
lower is better · 0 = clairvoyant
66-67°F @ 65%70°F✗ MISS
YESTERDAY · FORECAST VS FACT
actual bucket 70-71°F
LAST 14 DAYS · LEADER BUCKET HIT
We publish the scorecard because a forecast you cannot audit is just marketing. Bias calibration lands after 2-3 weeks of history; these are raw-model numbers.
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Weather data: METAR · Weather Underground · Open-Meteo ECMWF ensemble. Prices: Polymarket. Model probabilities use a preview bucket rule pending full verification on resolved markets. Past performance does not guarantee future results.
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